3 ms·
I found the notation here non-standard and confusing. In my opinion, the wikipedia article is more concise and provides more intuition (especially the multiple
by j7ake 7y ago
I found the notation here non-standard and confusing.
In my opinion, the wikipedia article is more concise and provides more intuition (especially the multiple ways to derive the closed form solution).
https://en.wikipedia.org/wiki/Ordinary_least_squares#Alternative_derivations https://en.wikipedia.org/wiki/Ordinary_least_squares#Alterna...
- graycat 7y agoThe Wikipedia article has lots of nice material, but much easier than that or the OP here is my https://news.ycombinator.com/item?id=21301117 https://news.ycombinator.com/item?id=21301117 also in this thread.